Gerry Keller

CIK 1745888 · View on SEC EDGAR ↗

Insider

First SEC filing: Aug. 3, 2018 · Latest: Aug. 3, 2018

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Insider at

Insider transactions

0 buys (P) 2 sells (S) Net: $-677,299 + 37 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

37 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Aug. 3, 2026 MTD S 240 $1427.14 $342,514 259 Direct -48.10% Disposed 1.1% (price as of 2026-08-19)
Nov. 21, 2025 MTD S 236 $1418.58 $334,785 159 Direct -59.75% Disposed 1.7% (price as of 2026-08-19)
Aug. 14, 2025 MTD S 165 $1308.64 $215,926 94 Direct -63.71% Disposed 10.2% (price as of 2026-08-19)
Feb. 10, 2025 MTD S 564 $1351.41 $762,195 6 Direct -98.95% Disposed 6.7% (price as of 2026-08-19)
Feb. 10, 2025 MTD S 36 $1350.29 $48,610 570 Direct -5.94% Disposed 6.8% (price as of 2026-08-19)
Dec. 3, 2024 MTD S 140 $1254.09 $175,573 6 Direct -95.89% Disposed 15.0% (price as of 2026-08-19)
May 15, 2024 MTD S 310 $1511.56 $468,584 6 Direct -98.10% Disposed -4.6% (price as of 2026-08-19)
May 23, 2023 MTD S 449 $1400.00 $628,600 0 Direct -100.00% Disposed 3.0% (price as of 2026-08-19)
Feb. 13, 2023 MTD S 324 $1542.02 $499,614 449 Direct -41.91% Disposed -6.5% (price as of 2026-08-19)
Feb. 13, 2023 MTD S 150 $1537.82 $230,673 773 Direct -16.25% Disposed -6.2% (price as of 2026-08-19)
Aug. 9, 2022 MTD S 200 $1319.12 $263,824 55 Direct -78.43% Disposed 9.4% (price as of 2026-08-19)
Aug. 9, 2022 MTD S 250 $1318.60 $329,650 255 Direct -49.50% Disposed 9.4% (price as of 2026-08-19)
May 12, 2022 MTD S 948 $1195.60 $1,133,429 505 Direct -65.24% Disposed 20.7% (price as of 2026-08-19)
Nov. 15, 2021 MTD S 101 $1546.35 $156,181 95 Direct -51.53% Disposed -6.7% (price as of 2026-08-19)
Nov. 15, 2021 MTD S 158 $1544.26 $243,993 196 Direct -44.63% Disposed -6.6% (price as of 2026-08-19)
Aug. 12, 2021 MTD S 124 $1513.88 $187,721 95 Direct -56.62% Disposed -4.7% (price as of 2026-08-19)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date Ticker Security Underlying Exercise price Expiration Shares A/D
Aug. 3, 2026 MTD Stock Option (right to buy) Common Stock, par value $0.01 per share (240) $720.81 Nov. 7, 2029 240 Disposed
May 12, 2026 MTD Stock Option (right to buy) Common Stock, par value $0.01 per share (250) $1072.45 May 12, 2036 250 Acquired
Nov. 21, 2025 MTD Stock Option (right to buy) Common Stock, par value $0.01 per share (6) $595.31 Nov. 8, 2028 6 Disposed
Nov. 21, 2025 MTD Stock Option (right to buy) Common Stock, par value $0.01 per share (230) $720.81 Nov. 7, 2029 230 Disposed
Nov. 11, 2025 MTD Stock Option (right to buy) Common Stock, par value $0.01 per share (170) $1445.06 Nov. 11, 2035 170 Acquired
Aug. 14, 2025 MTD Stock Option (right to buy) Common Stock, par value $0.01 per share (165) $720.81 Nov. 7, 2029 165 Disposed
May 8, 2025 MTD Stock Option (right to buy) Common Stock, par value $0.01 per share (225) $1101.63 May 8, 2035 225 Acquired
Feb. 10, 2025 MTD Stock Option (right to buy) Common Stock, par value $0.01 per share (600) $720.81 Nov. 7, 2029 600 Disposed
Dec. 3, 2024 MTD Stock Option (right to buy) Common Stock, par value $0.01 per share (140) $720.81 Nov. 7, 2029 140 Disposed
Nov. 12, 2024 MTD Stock Option (right to buy) Common Stock, par value $0.01 per share (715) $1260.97 Nov. 12, 2034 715 Acquired
May 15, 2024 MTD Stock Option (right to buy) Common Stock, par value $0.01 per share (310) $595.31 Nov. 8, 2028 310 Disposed
Nov. 9, 2023 MTD Stock Option (right to buy) Common Stock, par value $0.01 per share (850) $1024.55 Nov. 9, 2033 850 Acquired
Feb. 13, 2023 MTD Stock Option (right to buy) Common Stock, par value $0.01 per share (316) $595.31 Nov. 8, 2028 316 Disposed
Feb. 13, 2023 MTD Stock Option (right to buy) Common Stock, par value $0.01 per share (158) $671.60 Nov. 2, 2027 158 Disposed
Nov. 3, 2022 MTD Stock Option (right to buy) Common Stock, par value $0.01 per share (750) $1225.87 Nov. 3, 2032 750 Acquired
May 12, 2022 MTD Stock Option (right to buy) Common Stock, par value $0.01 per share (948) $595.31 Nov. 8, 2028 948 Disposed
Nov. 15, 2021 MTD Stock Option (right to buy) Common Stock, par value $0.01 per share (158) $671.60 Nov. 2, 2027 158 Disposed
Nov. 15, 2021 MTD Stock Option (right to buy) Common Stock, par value $0.01 per share (101) $397.95 Nov. 3, 2026 101 Disposed
Nov. 4, 2021 MTD Stock Option (right to buy) Common Stock, par value $0.01 per share (805) $1484.40 Nov. 4, 2031 805 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 7 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date Ticker Security Shares Ownership
Aug. 3, 2018 MTD Common Stock, par value $0.01 per share 654 Direct
Aug. 3, 2018 MTD Stock Option (right to buy)→ Common Stock, par value $0.01 per share (107) 107 Direct
Aug. 3, 2018 MTD Stock Option (right to buy)→ Common Stock, par value $0.01 per share (212) 212 Direct
Aug. 3, 2018 MTD Stock Option (right to buy)→ Common Stock, par value $0.01 per share (309) 309 Direct
Aug. 3, 2018 MTD Stock Option (right to buy)→ Common Stock, par value $0.01 per share (388) 388 Direct
Aug. 3, 2018 MTD Stock Option (right to buy)→ Common Stock, par value $0.01 per share (505) 505 Direct
Aug. 3, 2018 MTD Stock Option (right to buy)→ Common Stock, par value $0.01 per share (790) 790 Direct